isElement

lang

Checks if value is likely a DOM element.

Installation

Import

import { isElement } from '@tulx/utils';

Source Code

Implementation

/**
 * Checks if value is likely a DOM element.
 *
 * @param value - The value to check.
 * @returns Returns true if value is a DOM element, else false.
 *
 * @example
 * ```ts
 * isElement(document.body); // true
 * isElement('<body>'); // false
 * ```
 */
export function isElement(value: unknown): boolean {
  if (typeof value !== 'object' || value === null) {
    return false;
  }
  const obj = value as { nodeType?: number; nodeName?: unknown };
  return obj.nodeType === 1 && typeof obj.nodeName === 'string';
}

Example

import { isElement } from '@tulx/utils';

isElement(document.body); // true
isElement('<body>'); // false

Related Functions

castArray

Casts value as an array if it's not one.

clone

Creates a shallow clone of value.

cloneDeep

This method is like clone except that it recursively clones value.

cloneDeepWith

This method is like cloneDeep except that it accepts customizer which is invoked to produce the cloned value.

cloneWith

This method is like clone except that it accepts customizer which is invoked to produce the cloned value.

conformsTo

Checks if object conforms to source by invoking the predicate properties of source with the corresponding property values of object.